2

Within a given section (or subsection), I would like my section title to appear on the left and I want the text to appear immediately after the title of the section as in the following example.

enter image description here

In this example, is the text also in Section mode? When I try to include the paragraph in Section mode, I cannot obtain the PDF. So I currently have the text of the paragraph in Standard mode.

Source Code for Section and Text:

\section{\noindent \textbf{Introduction.}}

\begin{doublespace}
Let $\left\{ x:0\le x<1\right\} $ be the compact group of real numbers
modulo 1.\end{doublespace}

Entire Source Code:

\documentclass[english]{amsart}
\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}
\usepackage{amsthm}
\usepackage{setspace}

\makeatletter
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Textclass specific LaTeX commands.
\numberwithin{equation}{section}
\numberwithin{figure}{section}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% User specified LaTeX commands.
\usepackage{mathtools}

\makeatletter
\renewcommand{\section}{%
\@startsection{section}
{1}
\z@
{.7\linespacing \@plus \linespacing}
{.5\linespacing}
{\normalfont\centering}% \scshape
}
\makeatother

\makeatother

\usepackage{babel}
\begin{document}

\section{\noindent \textbf{Introduction.}}

\begin{doublespace}
Let $\left\{ x:0\le x<1\right\} $ be the compact group of real numbers
modulo 1.\end{doublespace}

\end{document}
2

Don't put formatting in the \section argument!

Just define section to be inline rather than display (by changing the sign of the space argument)

enter image description here

\documentclass[english]{amsart}
\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}
\usepackage{amsthm}
\usepackage{setspace}

\makeatletter
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Textclass specific LaTeX commands.
\numberwithin{equation}{section}
\numberwithin{figure}{section}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% User specified LaTeX commands.
\usepackage{mathtools}

\makeatletter
\renewcommand{\section}{%
\@startsection{section}
{1}
\z@
{1\baselineskip plus \baselineskip}
{-1em}
{\normalfont\bfseries}% \scshape
}
\makeatother

\makeatother

\usepackage{babel}
\begin{document}

\section{Introduction.}

\begin{doublespace}
Let $\left\{ x:0\le x<1\right\} $ be the compact group of real numbers
modulo 1.\end{doublespace}

\end{document}
| improve this answer | |
  • I'm using LyX. How can I edit so that my source looks like yours? – The Substitute Nov 22 '15 at 0:20
  • 1
    I have no idea about lyx, but you already have a redefinition of \section in your preamble, I just fixed it to give the layout that you asked about. So presumably you just do whatever you did originally to get a definition in the preamble? – David Carlisle Nov 22 '15 at 0:23

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